U.S. Senator Robert Menendez

U.S. Senator Robert Menendez

Brendan Smialowski/AFP via Getty Images

U.S. Senator Robert Menendez, a Democrat from New Jersey, asked the U.S. Department of Health and Human Services to clarify regulations that led the agency to rule in 2009 that Salomon Melgen overbilled Medicare by $8.9 million for Lucentis in 2007 and 2008.